Yellow Flowers

Alpine Parsley

Alpine Parsley
Oreoxis alpina
Carrot
June-Aug

Alpine Sunflower

Alpine Sunflower
Tetraneuris grandiflora
Aster
late July-Aug

Alpine Wallflower

Alpine Wallflower
Erysimum nivale
Mustard
May-Aug

Black Medic

Black Medic
Medicago lupulina
Pea
May-Oct

Blackeyed Susan

Blackeyed Susan
Rudbeckia hirta
Aster
June-mid Sept

Blazing Star (Yellow Stickleaf)

Blazing Star (Yellow Stickleaf)
Mentzelia multiflora
Blazingstar
May-Sept

Bracted Lousewort

Bracted Lousewort
Pedicularis bracteosa
Figwort
June-Aug

Brittle Prickly Pear

Brittle Prickly Pear
Opuntia sp.
Cactus
late May-July

Buffalo Gourd

Buffalo Gourd
Cicurbita foetidissima
Cucumber
Apr-June

Bur Avens

Bur Avens
Geum macrophyllum
Rose
May-Aug

Butter and Eggs (Toadflax)

Butter and Eggs (Toadflax)
Linaria vulgaris
Snapdragon
June-Sept

Butterfly Weed

Butterfly Weed
Ascelepias tuberosa
Milkweed
May-Sept

Canada Goldenrod

Canada Goldenrod
Solidago canadensis
Aster
July-Oct

Chocolate Flower (Green Eyes)

Chocolate Flower (Green Eyes)
Berlandiera lyrata
Aster
April-Oct

Clustered Buttercup?

Clustered Buttercup?
Ranunculus eschscholtzii
Buttercup
June-Aug

Common Alumroot (Poker Alumroot)

Common Alumroot (Poker Alumroot)
Huechera parvifolia
Saxifrage
April-Aug

Common Dandelion

Common Dandelion
Taraxacum officinale
Aster
March-Nov

Common Evening Primrose

Common Evening Primrose
Oenothera biennis
Evening Primrose
June-Aug

Common Silverweed?

Common Silverweed?
Potentilla anserina?
Rose
May-Aug

Common Sunflower

Common Sunflower
Helianthus annuus
Aster
July-Sept

Coulter’s Daisy?

Coulter’s Daisy?
Erigeron coulteri?
Aster
June-July

Creeping Hollygrape (Oregon Grape Holly)

Creeping Hollygrape (Oregon Grape Holly)
Berbens repens
Barberry
Mar-June

Curly-cup Gumweed

Curly-cup Gumweed
Grindelia squarrosa
Aster
July-Sept

Cutleaf Coneflower (Goldenglow)

Cutleaf Coneflower (Goldenglow)
Rudbeckia laciniata
Aster
June-Oct

Cutleaf Groundsel (Golden Ragwort)

Cutleaf Groundsel (Golden Ragwort)
Senecio eremophilus
Aster
May-Sept

Dalmatian Toadflax

Dalmatian Toadflax
Linaria dalmatica
Snapdragon
May-Sept

Desert Plume

Desert Plume
Stanleya pinnata
Mustard
May-July

Dwarf Goldenrod

Dwarf Goldenrod
Solidago nana
Aster
July-Sept

Fendler’s Groundsel

Fendler’s Groundsel
Packera fendleri
Aster
May-Aug

Fernleaf Lousewort

Fernleaf Lousewort
Pedicularis bracteosa
Figwort
June-Aug

Flixweed (Common Tansymustard)

Flixweed (Common Tansymustard)
Descurainia sophia
Mustard
Mar-July

Fringed Gromwell (Narrowleaf Puccoon)?

Fringed Gromwell (Narrowleaf Puccoon)?
Lithospermum incisum?
Borage
May-July

Golden Banner (Golden Pea)

Golden Banner (Golden Pea)
Thermopsis rhombifolia montana
Pea
May-Aug

Golden Draba?

Golden Draba?
Draba aurea?
Mustard
June-Aug

Golden Smoke (Golden Corydalis)

Golden Smoke (Golden Corydalis)
Corydalis aurea
Fumitory
Feb-Sept

Heart-Leaved Arnica

Heart-Leaved Arnica
Arnica cordifolia
Aster
June-Aug

Hooker’s Evening Primrose

Hooker’s Evening Primrose
Oenothera elata
Evening Primrose
June-Sept

Leafy Spurge

Leafy Spurge
Euphorbia esula
Spurge
May-June

Louisiana Sage

Louisiana Sage
Artemisia ludoviciana
Aster
June-Oct

Many Flowered Blazingstar

Many Flowered Blazingstar
Mentzelia multiflora
Blazingstar
Apr-Sept

Meadow Arnica (Meadow Buttercup)

Meadow Arnica (Meadow Buttercup)
Arnica chamissonis
Aster
June-Aug

Mexican Hat

Mexican Hat
Ratibida columnifera
Aster
June-Oct

Mountain Buttercup

Mountain Buttercup
Ranunculus eschscholtzii
Buttercup
June-Aug

Mountain Parsley

Mountain Parsley
Pseudocymopteris montanus
Carrot
June-Sept

Narrow Goldenrod

Narrow Goldenrod
Solidago simplex
Aster
July-Sept

New Mexico Groundsel

New Mexico Groundsel
Packera neomexicana
Aster
June-Sept

Orange Sneezeweed

Orange Sneezeweed
Hymenoxys hoopesii
Aster
July-Sept

Parry’s Dwarf Sunflower

Parry’s Dwarf Sunflower
Helianthella parryi
Aster
July-Sept

Perky Sue (Butte Marigold)

Perky Sue (Butte Marigold)
Tetraneuris argentea
Snapdragon
May-Sept

Plains Wallflower

Plains Wallflower
Erysimum asperum
Mustard
Mar-July

Prickly Pear Cactus

Prickly Pear Cactus
Opuntia fragilis
Cactus
May-June

Pygmy Goldenweed

Pygmy Goldenweed
Tonestus pygmaeus
Aster
June-Oct

Rabbitbrush

Rabbitbrush
Chrysothamnus nauseosus.
Aster
Aug-Oct

Ragleaf Bahia (Bahia Aster)

Ragleaf Bahia (Bahia Aster)
Bahia dissecta
Sunflower
Aug-Oct

Rock Ragwort (Rock Groundsel)?

Rock Ragwort (Rock Groundsel)?
Senecio fremontii?
Aster
June-Sept

Showy Goldeneye

Showy Goldeneye
Heliomeris multiflora
Aster
Aug-Sept

Shrubby Cinquefoil

Shrubby Cinquefoil
Pentaphylloides floribunda
Rose
June-Aug

Silverweed

Silverweed
Potentilla anserina
Rose
May-Aug

Skyrocket (Scarlet Gilia)

Skyrocket (Scarlet Gilia)
Ipomopsus agregata
Phlox
June-Aug

Smooth Bidens?

Smooth Bidens?
Bidens laevis?
Aster
July-Nov

Solitary Sunflower?

Solitary Sunflower?
Helianthus paciflorus?
Aster
June-Sept

Sow Thistle

Sow Thistle
Sonchus arvensis
Aster
June-Oct

Spearleaf Stonecrop

Spearleaf Stonecrop
Sedum lanceolatum
Stonecrop
June-Aug

St. John’s Wort

St. John’s Wort
Hypericum formosum
St. John’s Wort
July-Sept

Stiff Goldenrod

Stiff Goldenrod
Solidago rigidum
Aster
June-Sept

Subalpine Buttercup

Subalpine Buttercup
Ranunculus eschscholtzii
Buttercup
June-Aug

Tasselflower (Brickelbush)

Tasselflower (Brickelbush)
Brickellia grandiflora
Aster
July-Oct

Thick Groundsel

Thick Groundsel
Senicio crassulus
Aster
June-Aug

Wayside Gromwell (Puccoon)

Wayside Gromwell (Puccoon)
Lithospermum multiflorum
Borage
April-July

Western St. John’s Wort

Western St. John’s Wort
Hypericum scouleri
St. John’s Wort
July-Sept

Western Wallflower

Western Wallflower
Erysimum capitatum
Mustard
Mar-late July

Whiskbroom Parsley

Whiskbroom Parsley
Harbouria trachypluera
Celery
May-July

Wild Tarragon (Common Sagewort)

Wild Tarragon (Common Sagewort)
Artemisia campetris
Aster
June-Oct

Woolly Cinquefoil

Woolly Cinquefoil
Potentilla hippiana
Rose
June-Aug

Woolly Groundsel

Woolly Groundsel
Senecio canus
Aster
May-Aug

Woolly Mullein

Woolly Mullein
Verbascum thapsus
Figwort
mid June-Aug

Wooton’s Butterweed

Wooton’s Butterweed
Senecio wootoni
Aster
May-Aug

Yellow Avens

Yellow Avens
Geum aleppicum
Rose
May-Aug

Yellow Lady’s Slipper

Yellow Lady’s Slipper
Cypripedium parviflorum
Orchid
May-July

Yellow Monkeyflower

Yellow Monkeyflower
Mimulus guttatus
Figwort
Mar-Sept

Yellow Paintbrush

Yellow Paintbrush
Castilleja occidentalis
Figwort
June-Aug

Yellow Salisfy

Yellow Salisfy
Tragopon dubius
Aster
May-Sept

Yellow Stonecrop

Yellow Stonecrop
Sedum lanceolatum
Stonecrop
June-Aug

Yellow Sweet Clover

Yellow Sweet Clover
Melilotus officinalis
Pea
mid May-Sept